Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
System Description: Notes
Power is supplied at all times:
- from 40A fusible link (letter I , located in the fuse and fusible link box)
- to circuit breaker terminal 1
- through circuit breaker terminal 2
- to power window relay terminal 3
- to front power window main switch terminal 4
- to front power window switch RH terminal 6
- from 10A fuse [No. 13, located in the fuse block (J/B)]
- to smart entrance control unit terminal 49
With ignition switch in ON or START position, power is supplied:
- through 10A fuse [No. 10, located in the fuse block (J/B)]
- to rear power window switch LH and RH terminal 7
- to smart entrance control unit terminal 27
Ground is supplied to power window relay terminal 1:
- through body grounds M9, M25 and M87
Ground is supplied to rear power window switch LH terminal 8:
- through body grounds B7 (with TCS) or B78 (with VDC) and B46 (with rear sunshade), or B12 (without rear sunshade)
Ground is supplied to rear power window switch RH terminal 8:
- through body grounds B 106 and B 127
The power window relay is energized and power is supplied:
- through power window relay terminal 5
- to front power window main switch terminal 11,
- to front power window switch RH terminal 13,
- to rear power window switch LH and RH terminals 5
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.